LONCIN LC3500i - Page 33

Chapter IV Disassembly & Repair
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4-4-2 Cylinder head/valve
a. Disassembly/assembly
Double-end bolt
(exhaust)
Double-end bolt
(inlet)
Air guide sleeve
Assembly/disassembly:
Unscrew and screw bolt in the
manner of cross.
Torque value: 8-12 N·m
Bolt M6 × 14 (4)
Torque value: (32 ~ 35) N•m
Assembly/disassembly:
Unscrew and screw bolt in the
manner of cross.
Assembly:
Prior to assembly, clear away the carbon
deposition in combustor and check the
seal status of valve seat then conduct
assembly.
Measure the pressure of cylinder head
after completing assembly.
Cylinder-head bolt: M8 × 60 (4)
Cylinder head
Cylinder-head
sealing gasket
Assembly:
Clean and adjust the spark
plug prior to assembly.
Torque value: 25-28 N·m
Spark plug
Cylinder-head cover
Cylinder-head
cover
Filter
Gasket
Breather pipe
Assembly/disassembly:
Make one end connect
cylinder-head cover and
the other end connecting
the breather mouth
vertical to breather slot
cover plate.